...量计量；流量标准装置；检定；校准 [gap=1051]Key words：Metrology；Natural gas flow measurement；Flow standard facility；Verification；Calibration ...
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hot water flow standard facility 热水流量标准装置
Bell-type gas flow standard facility 钟罩式气体流量标准装置
flow rate standard facility 流量标准装置
Composite water flow Calibration Facility that our unit designed, makes up of standard metal tank group, standard flow meter, water-supply system, pipeline system, control cabinet and diverter mainly.
本单位设计的水流量综合标准装置，主要由标准金属量器组、标准流量计、供水系统、管路系统、控制台和换向器组成。
Sound speed nozzles have the advantages of high-accuracy, stable-performance and convenient to operate. It is an ideal standard gas flow rate facility.
音速喷嘴具有精度高、性能稳定，操作方便等优点，是理想的气体流量标准设备。
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